It is defined for all platforms when math.h or cmath is included
after defining the macro _USE_MATH_DEFINES.
Define _USE_MATH_DEFINES before any include statement to make sure
that M_PI gets defined. It is not necessary to define it conditionally
only for Windows.
Signed-off-by: Stefan Weil <sw@weilnetz.de>
The modifications were done using this command:
run-clang-tidy-8.py -header-filter='.*' -checks='-*,modernize-use-auto' -fix
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Remove unneeded include statements, remove conditional statements and
replace the remaining assert.h by their standard C++ variant cassert.
Signed-off-by: Stefan Weil <sw@weilnetz.de>
